Powershred Performance Oil, 12 oz. Bottle w/Extension Nozzle, Sold as 2 Each Shredder Oil. Lubricant keeps your shredder running at peak performance by conditioning the cutters and extending the life of your shredder. For best results, oil shredder each time you empty the wastebasket or a minimum of twice a month. Extended nozzle ensures complete coverage. For cross-cut and micro-cut shredders.